21468816

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:193

約数の個数: 120

約数和(自身を含む): 63980280

約数和(自身を除く): 42511464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 53, 58, 72, 87, 97, 106, 116, 144, 159, 174, 194, 212, 232, 261, 291, 318, 348, 388, 424, 464, 477, 522, 582, 636, 696, 776, 848, 873, 954, 1044, 1164, 1272, 1392, 1537, 1552, 1746, 1908, 2088, 2328, 2544, 2813, 3074, 3492, 3816, 4176, 4611, 4656, 5141, 5626, 6148, 6984, 7632, 8439, 9222, 10282, 11252, 12296, 13833, 13968, 15423, 16878, 18444, 20564, 22504, 24592, 25317, 27666, 30846, 33756, 36888, 41128, 45008, 46269, 50634, 55332, 61692, 67512, 73776, 82256, 92538, 101268, 110664, 123384, 135024, 149089, 185076, 202536, 221328, 246768, 298178, 370152, 405072, 447267, 596356, 740304, 894534, 1192712, 1341801, 1789068, 2385424, 2683602, 3578136, 5367204, 7156272, 10734408, 21468816]

約数ペア:

[(1, 21468816), (2, 10734408), (3, 7156272), (4, 5367204), (6, 3578136), (8, 2683602), (9, 2385424), (12, 1789068), (16, 1341801), (18, 1192712), (24, 894534), (29, 740304), (36, 596356), (48, 447267), (53, 405072), (58, 370152), (72, 298178), (87, 246768), (97, 221328), (106, 202536), (116, 185076), (144, 149089), (159, 135024), (174, 123384), (194, 110664), (212, 101268), (232, 92538), (261, 82256), (291, 73776), (318, 67512), (348, 61692), (388, 55332), (424, 50634), (464, 46269), (477, 45008), (522, 41128), (582, 36888), (636, 33756), (696, 30846), (776, 27666), (848, 25317), (873, 24592), (954, 22504), (1044, 20564), (1164, 18444), (1272, 16878), (1392, 15423), (1537, 13968), (1552, 13833), (1746, 12296), (1908, 11252), (2088, 10282), (2328, 9222), (2544, 8439), (2813, 7632), (3074, 6984), (3492, 6148), (3816, 5626), (4176, 5141), (4611, 4656)]